SPUD switcher

SPUD switcher

By Brian Schmidt | August 24, 2021

| Last updated on August 8, 2025


Center cab diesel switcher with cars along passenger platforms

SPUD switcher

St. Paul Union Depot 44-ton 441, built by GE in 1941, works its namesake Minnesota passenger terminal. The locomotive’s size and weight would allow one-man operation under the “90,000-pound” rule of the 1937 National Diesel Agreement labor rules. Classic Trains collection

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